NDLI: Fe3O4/Au/Fe3O4 nanoflowers exhibiting tunable saturation magnetization and enhanced bioconjugation

Content Provider	Royal Society of Chemistry (RSC)
Author	Roy, V. A. L. Shi, Feng Yan, Kunping Cui, Yali Peng, Mingli Chen, Xuemei Luo, Yanling Wang, Zuankai Cheng, Xiao Hui, Wenli
Copyright Year	2012
Abstract	Composite nanoparticles have proved to be promising in a wide range of biotechnological applications. In this paper, we report on a facile method to synthesize novel Fe3O4/Au/Fe3O4 nanoparticles (nanoflowers) that integrate hybrid components and surface types. We demonstrate that relative to conventional nanoparticles with core/shell configuration, such nanoflowers not only retain their surface plasmon property but also allow for 170% increase in the saturation magnetization and 23% increase in the conjugation efficiency due to the synergistic co-operation between the hierarchical structures. Moreover, we demonstrate that the magnetic properties of such composite nanoparticles can be tuned by controlling the size of additional petals (Fe3O4 phase). These novel building blocks could open up novel and exciting vistas in nanomedicine for broad applications such as biosensing, cancer diagnostics and therapeutics, targeted delivery, and imaging.
Starting Page	747
Ending Page	751
Page Count	5
File Format	HTM / HTML PDF
ISSN	20403364
Volume Number	4
Issue Number	3
Journal	Nanoscale
DOI	10.1039/c2nr11489e
Language	English
Publisher	Royal Society of Chemistry
Access Restriction	Open
Subject Keyword	Saturation (magnetic) Surface plasmon Nanomedicine Cancer
Content Type	Text
Resource Type	Article
Subject	Nanoscience and Nanotechnology

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